population is estimated at 425 @ , @ 000 with a density of 216 per square kilometer ( 51 ##5 per square mile ) . these population figures are even more impressive because of the extensive swamp ##lands that were unsuitable for habitat ##ion or agriculture . however , some archaeologists , such as david webster , believe these figures to be far too high . the d ##yna ##stic line of ti ##kal , founded as early as the 1st century ad , spanned 800 years and included at least 33 rulers . there are traces of early agriculture at the site dating as far back as 1000 bc , in the middle pre ##class ##ic . a cache of ma ##mon ceramics dating from about 700
population is estimated at 425 @, @ 000 with a density of 216 per square kilometer ( 515 per square mile ). these population figures are even more impressive because of the extensive swamplands that were unsuitable for habitation or agriculture. however, some archaeologists, such as david webster, believe these figures to be far too high. the dynastic line of tikal, founded as early as the 1st century ad, spanned 800 years and included at least 33 rulers. there are traces of early agriculture at the site dating as far back as 1000 bc, in the middle preclassic. a cache of mamon ceramics dating from about 700